Home / 33,118.56-49,601.28-19,941.90

Finding the Fourth Proportional to 33,118.56, 49,601.28 and 19,941.90

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Solution

The fourth proportional to 33,118.56, 49,601.28 and 19,941.90 is: 29,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,118.56 : 49,601.28 = 19,941.90 : x
  2. Step 2: Convert to fraction form
    33,118.56/49,601.28 = 19,941.90/x
  3. Step 3: Cross multiply
    33,118.56x = 49,601.28 × 19,941.90
  4. Step 4: Simplify right side
    33,118.56x = 989,143,765.63
  5. Step 5: Solve for x
    x = 989,143,765.63/33,118.56
  6. Step 6: Final answer
    x = 29,866.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.